rest-harrow

• 指豆科（蝶形花科）的多种植物，尤指田间芒柄花（Ononis arvensis）等芒柄花属植物：具松散的总状花序、粉红色或紫色的蝶形花、带刺的茎和坚硬的根，常为匍匐或蔓延的多年生草本；也指欧洲一种开粉红色花的木本植物（如刺芒柄花类），具单叶和长而坚硬的根，靠地下根状茎蔓延。

A noun referring to a Eurasian plant with loose racemes of pink or purple flowers, spiny stems, and tough roots, or a European woody plant with pink flowers, unifoliate leaves, and long tough roots that spreads by underground runners.

1. Eurasian plant with pink or purple flowersC2formalscientific

   A Eurasian plant characterized by loose racemes of pink or purple flowers, spiny stems, and tough roots.

   芒柄花

   • The rest-harrow grew abundantly along the dry, rocky hillside.
   • Its spiny stems made the rest-harrow difficult to walk through.
   • Botanists identified the plant as rest-harrow due to its distinctive pink flowers.

2. European woody plant with pink flowersC2formalbritishscientific

   A European woody plant that has pink flowers, unifoliate leaves, and long tough roots; it spreads by underground runners.

   百脉根

   • The rest-harrow's long roots made it a persistent weed in the field.
   • Gardeners struggled to remove the rest-harrow because of its underground runners.
   • In the wild, rest-harrow often forms dense patches through its spreading root system.

   同义词restharrow